CN108343741A - Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts - Google Patents
Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts Download PDFInfo
- Publication number
- CN108343741A CN108343741A CN201810159543.6A CN201810159543A CN108343741A CN 108343741 A CN108343741 A CN 108343741A CN 201810159543 A CN201810159543 A CN 201810159543A CN 108343741 A CN108343741 A CN 108343741A
- Authority
- CN
- China
- Prior art keywords
- rotating speed
- clutch
- impact
- vehicle shifts
- fuel injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The present invention provides a kind of control method, control system and the vehicle of the impact of alleviation MT vehicle shifts, and the control method for alleviating the impact of MT vehicle shifts includes the following steps：Step S1, clutch is stepped on to trigger clutch engagement signal P and clutch engagement signal P is sent to ECU, while acquiring engine speed n1With transmission input shaft rotating speed n2And by engine speed n1With transmission input shaft rotating speed n2It is respectively sent to ECU；Step S2, engine speed n is calculated by ECU1With transmission input shaft rotating speed n2Rotating speed difference △ n；Step S3, compensation fuel injection pulsewidth △ w are calculated according to rotating speed difference △ n；Step S4, the sum of normal fuel injection pulsewidth w of compensation fuel injection pulsewidth △ w and engine is calculated to obtain the actual fuel injection pulsewidth w+ △ w of engine during stepping on clutch shifting, and the rotating speed of engine is adjusted according to actual fuel injection pulsewidth w+ △ w.The control method according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts, improves shift quality and user with vehicle satisfaction.
Description
Technical field
The present invention relates to vehicular fields, more particularly, to a kind of control method of alleviation MT vehicle shifts impact, control
System and vehicle.
Background technology
For manual gear (Manual Transmission, MT) vehicle in shift, driver steps on clutch, engine output
Axis is detached with transmission input shaft, and after shift, the transmission ratio of power train changes.Since ground inputs to by tire the resistance of vehicle
Torque is certain, and the moment of resistance that transmission input shaft is transmitted to by power train changes, and the rotating speed of the transmission input shaft made is opposite
In Clutch input shaft meeting, there are one big variations.Meanwhile after stepping on clutch, conventional engines control system
The control logic that (Electronic Control Unit, ECU) is provided makes engine enter oil-break state, under engine speed
Drop, in this way clutch recombine i.e. shift terminate before, between engine output shaft and the rotating speed of transmission input shaft exist compared with
Big speed discrepancy, and the flywheel of the shell of clutch and engine is fixed, i.e. clutch housing is consistent with engine speed, clutch
The platen of device is identical with transmission input shaft rotating speed, therefore the bigger shift of speed discrepancy both when the shell of clutch is combined with platen
Impact is bigger, and the comfort level that driver drives vehicle is poorer.
Invention content
In view of this, the present invention provides a kind of control method of alleviation MT vehicle shifts impact.
The present invention also provides a kind of control systems of alleviation MT vehicle shifts impact.
The present invention also provides a kind of vehicles of the control system with the impact of alleviation MT vehicle shifts.
In order to solve the above technical problems, the present invention uses following technical scheme：
The control method of the alleviation MT vehicle shifts impact of embodiment includes the following steps according to a first aspect of the present invention：
Step S1, clutch is stepped on to trigger clutch engagement signal P and the clutch engagement signal P is sent to ECU, is adopted simultaneously
Collect engine speed n1With transmission input shaft rotating speed n2And by the engine speed n1With the transmission input shaft rotating speed n2
It is respectively sent to the ECU；
Step S2, the engine speed n is calculated by the ECU1With the transmission input shaft rotating speed n2Speed discrepancy
Value △ n；
Step S3, compensation fuel injection pulsewidth △ w are calculated according to the rotating speed difference △ n；
Step S4, it calculates the sum of normal fuel injection pulsewidth w of the compensation fuel injection pulsewidth △ w and engine and steps on clutch to obtain
The actual fuel injection pulsewidth w+ △ w of engine during shift, and the engine is adjusted according to the actual fuel injection pulsewidth w+ △ w
Rotating speed.
Further, in the step S1, the transmission input shaft rotating speed n2For Clutch input shaft rotating speed.
Further, the clutch output shaft rotating speed by the clutch output shaft installation speed sensor survey
.
Further, in the step S3, the rotating speed difference △ n are obtained the compensation oil spout arteries and veins by PID control
Wide △ w.
According to the alleviation MT vehicle shifts of invention second aspect embodiment impact control system include：
Control switch, the work shape of control system of the control switch for controlling the alleviation MT vehicle shifts impact
State；
Speed probe, the speed probe are located on clutch output shaft to measure the clutch output shaft rotating speed
And as transmission input shaft rotating speed；
Control unit, described control unit uses starts described in the control method adjustment of above-mentioned alleviation MT vehicle shifts impact
Machine rotating speed.
Further, the control switch is clutch, described slow to control by stepping on or leaving the clutch
Whether the control system for solving the impact of MT vehicle shifts enters working condition.
The vehicle of embodiment includes the alleviation MT vehicle shifts according to above-described embodiment according to a third aspect of the present invention
The control system of impact.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The control method according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts, can not only mitigate driver just
The often shift shock in driving shift process, promotes shift quality, improves user's vehicle satisfaction, and can also mitigate and shift gears
Clutch abrasion in journey extends clutch service life.
Description of the drawings
Fig. 1 alleviates the flow chart of the control method of MT vehicle shifts impact according to embodiments of the present invention；
Fig. 2 alleviates the policy map of the control method of MT vehicle shifts impact according to embodiments of the present invention；
Fig. 3 alleviates the logic chart of the control method of MT vehicle shifts impact according to embodiments of the present invention.
Reference numeral：
Engine 10；Clutch 20；Speed changer 30.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
The every other embodiment that personnel are obtained, shall fall within the protection scope of the present invention.
First below the controlling party that alleviation MT vehicle shifts according to the ... of the embodiment of the present invention impact is specifically described in conjunction with attached drawing
Method.
As shown in Figure 1 to Figure 3, the control method according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts includes following
Step：
Step S1, clutch 20 is stepped on to trigger clutch engagement signal P and clutch engagement signal P is sent to ECU, is acquired simultaneously
Engine speed n1With transmission input shaft rotating speed n2And by engine speed n1With transmission input shaft rotating speed n2It is respectively sent to
ECU；
Step S2, engine speed n is calculated by ECU1With transmission input shaft rotating speed n2Rotating speed difference △ n；
Step S3, compensation fuel injection pulsewidth △ w are calculated according to rotating speed difference △ n；
Step S4, calculating compensation the sum of fuel injection pulsewidth △ w and the normal fuel injection pulsewidth w of engine 10 steps on clutch with acquisition and changes
The actual fuel injection pulsewidth w+ △ w of engine 10 during gear, and according to the rotating speed of actual fuel injection pulsewidth w+ △ w adjustment engines 10.
Specifically, the logical control method for alleviating the impact of MT vehicle shifts is realized by trampling clutch 20, only exist
Clutch 20 could trigger clutch engagement signal P when being operated, and clutch engagement signal P is sent to ECU, when clutch 20
Shell is combined rear clutch engagement signal P to reset with platen, and control process terminates, as shown in figure 3, acquisition engine speed n respectively1、
The transmission input shaft rotating speed n of speed changer 302With clutch engagement signal P, and fuel injection pulsewidth △ w are compensated by PID control, it will
The normal fuel injection pulsewidth w of this compensation pulsewidth △ w and engine 10 is superimposed to obtain w+ △ w, and using w+ △ w as stepping on clutch shifting
The fuel injection pulsewidth of period engine 10.
The control method according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts as a result, can not only mitigate driving
Shift shock of the member in normally driving shift process, promotes shift quality, improves user's vehicle satisfaction, and can also mitigate
Clutch 20 is worn in shift process, extends 20 service life of clutch.
Some specific embodiments according to the present invention, in step sl, transmission input shaft rotating speed n2It is inputted for clutch
Rotating speed.
According to one embodiment of present invention, clutch output shaft rotating speed by clutch output shaft installation speed pass
Sensor measures.
In particular it is required that increase a speed probe at clutch output shaft exports rotating speed with gaging clutch
(represent transmission input shaft rotating speed n2).During stepping on clutch 20 is shifted gears, engine speed n is acquired respectively1It is defeated with speed changer
Enter rotating speed n2, and the rotating speed difference △ n of the two are calculated, compensation fuel injection pulsewidth △ w are further calculated by rotating speed difference △ n,
The compensation fuel injection pulsewidth △ w and normal fuel injection pulsewidth w of engine 10 is superimposed, that is, obtain stepping on engine 10 during clutch shifting
Fuel injection pulsewidth w+ △ w.Hereby it is achieved that the compensation control based on engine speed and transmission input shaft rotating speed difference,
Engine speed n is kept during stepping on clutch shifting as possible1With transmission input shaft rotating speed n2It is consistent, even if the shell of clutch 20
The rotating speed of body and platen is consistent, and to reduce shift shock when clutch 20 combines, enhances driver comfort, promotion is driven
Sail the hardware such as quality, protection clutch 20.
Preferably, in step s3, rotating speed difference △ n compensate fuel injection pulsewidth △ w by PID control to obtain.
The control system according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts includes control switch, speed probe
And control unit.
Specifically, working condition of the control switch for controlling the control system for alleviating the impact of MT vehicle shifts, rotating speed
Sensor is located on Clutch input shaft with gaging clutch input shaft rotating speed and as transmission input shaft rotating speed, control
Unit adjusts engine speed using the control method of above-mentioned alleviation MT vehicle shifts impact.
Preferably, control switch is clutch, alleviates the punching of MT vehicle shifts by stepping on or leaving clutch to control
Whether the control system hit enters working condition, and simple operation is easy to use.
It should be noted that the control system of alleviation MT vehicle shifts impact only just works when stepping on clutch shifting,
Therefore using the open signal of the clutch engagement signal P control systems impacted as alleviation MT vehicle shifts, that is, when stepping on clutch, from
The open signal for the control system that clutch signal P is impacted as alleviation MT vehicle shifts, similarly, the shell and platen of clutch
It is resetted in conjunction with rear clutch engagement signal, the control system of alleviation MT vehicle shifts impact is closed.
To sum up, the control system according to the ... of the embodiment of the present invention for alleviating the impact of MT vehicle shifts, can not only mitigate
Shift shock of the driver in normally driving shift process, promotes shift quality, improves user's vehicle satisfaction, and can also
Mitigate the clutch abrasion in shift process, extends clutch service life.
Vehicle according to the ... of the embodiment of the present invention includes the control system for alleviating the impact of MT vehicle shifts according to above-described embodiment
System, since the control system of alleviation MT vehicle shifts impact according to the above embodiment of the present invention has above-mentioned technique effect, because
This, vehicle according to the ... of the embodiment of the present invention also has corresponding technique effect, and the satisfaction of deduct a percentage shift quality and user extends
The service life of clutch.
The composition of vehicle according to the ... of the embodiment of the present invention and operation are to be appreciated that simultaneously to those skilled in the art
And it is easy to implement, therefore be not described in detail.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of control method for alleviating the impact of MT vehicle shifts, which is characterized in that include the following steps：
Step S1, clutch is stepped on to trigger clutch engagement signal P and the clutch engagement signal P is sent to ECU, while acquiring hair
Motivation rotating speed n1With transmission input shaft rotating speed n2And by the engine speed n1With the transmission input shaft rotating speed n2Respectively
It is sent to the ECU；
Step S2, the engine speed n is calculated by the ECU1With the transmission input shaft rotating speed n2Rotating speed difference △
n；
Step S3, compensation fuel injection pulsewidth △ w are calculated according to the rotating speed difference △ n；
Step S4, it calculates the sum of normal fuel injection pulsewidth w of the compensation fuel injection pulsewidth △ w and engine and steps on clutch shifting to obtain
The actual fuel injection pulsewidth w+ △ w of period engine, and turning for the engine is adjusted according to the actual fuel injection pulsewidth w+ △ w
Speed.
2. the control method according to claim 1 for alleviating the impact of MT vehicle shifts, which is characterized in that in the step S1
In, the transmission input shaft rotating speed n2For clutch output shaft rotating speed.
3. the control method according to claim 2 for alleviating the impact of MT vehicle shifts, which is characterized in that the clutch is defeated
Enter rotating speed by the clutch output shaft installation speed sensor measure.
4. the control method according to claim 1 for alleviating the impact of MT vehicle shifts, which is characterized in that in the step S3
In, the rotating speed difference △ n are obtained the compensation fuel injection pulsewidth △ w by PID control.
5. a kind of control system for alleviating the impact of MT vehicle shifts, which is characterized in that including：
Control switch, the working condition of control system of the control switch for controlling the alleviation MT vehicle shifts impact；
Speed probe, the speed probe are located on clutch output shaft to measure the clutch output shaft rotating speed and incite somebody to action
It is as transmission input shaft rotating speed；
Control unit, described control unit is using the alleviation MT vehicle shifts impact according to any one of claim 1-4
Control method adjust the engine speed.
6. the control system according to claim 5 for alleviating the impact of MT vehicle shifts, which is characterized in that the control switch
For clutch, by stepping on or leaving the clutch with control the alleviation MT vehicle shifts impact control system whether
Into working condition.
7. a kind of vehicle, which is characterized in that including the control for alleviating the impact of MT vehicle shifts described in any one of claim 5-6
System processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159543.6A CN108343741A (en) | 2018-02-26 | 2018-02-26 | Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159543.6A CN108343741A (en) | 2018-02-26 | 2018-02-26 | Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343741A true CN108343741A (en) | 2018-07-31 |
Family
ID=62959414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810159543.6A Pending CN108343741A (en) | 2018-02-26 | 2018-02-26 | Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602277A (en) * | 2021-08-20 | 2021-11-05 | 北京理工大学 | Coordination control method for reducing gear shifting impact based on rotation speed control |
| CN114110159A (en) * | 2021-11-03 | 2022-03-01 | 江苏汇智高端工程机械创新中心有限公司 | Gear control method and system for off-road tire crane gearbox |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460787A (en) * | 2003-06-03 | 2003-12-10 | 清华大学 | Idle speed rotating speed closed ring control method for motorcycle electric controlled engine |
| JP2009097354A (en) * | 2007-10-12 | 2009-05-07 | Toyota Motor Corp | Vehicle control device |
| CN101542094A (en) * | 2006-11-27 | 2009-09-23 | 五十铃自动车株式会社 | Shifting time control device for vehicular power transmission system |
| CN106461071A (en) * | 2014-05-30 | 2017-02-22 | 康明斯有限公司 | Heavy-duty engine speed synchronization for manual transmissions |
-
2018
- 2018-02-26 CN CN201810159543.6A patent/CN108343741A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460787A (en) * | 2003-06-03 | 2003-12-10 | 清华大学 | Idle speed rotating speed closed ring control method for motorcycle electric controlled engine |
| CN101542094A (en) * | 2006-11-27 | 2009-09-23 | 五十铃自动车株式会社 | Shifting time control device for vehicular power transmission system |
| JP2009097354A (en) * | 2007-10-12 | 2009-05-07 | Toyota Motor Corp | Vehicle control device |
| CN106461071A (en) * | 2014-05-30 | 2017-02-22 | 康明斯有限公司 | Heavy-duty engine speed synchronization for manual transmissions |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602277A (en) * | 2021-08-20 | 2021-11-05 | 北京理工大学 | Coordination control method for reducing gear shifting impact based on rotation speed control |
| CN113602277B (en) * | 2021-08-20 | 2023-11-03 | 北京理工大学 | Coordination control method for reducing gear shifting impact based on rotation speed control |
| CN114110159A (en) * | 2021-11-03 | 2022-03-01 | 江苏汇智高端工程机械创新中心有限公司 | Gear control method and system for off-road tire crane gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102008052716B4 (en) | Transmission control method for a continuously variable transmission | |
| DE102007016620B4 (en) | Driving force control units for a vehicle | |
| DE102007057526B4 (en) | Method of controlling an engine and motor vehicle | |
| US20010034286A1 (en) | Transmission system for a straddle type vehicle | |
| DE102007016614B4 (en) | Driving force control device for vehicles | |
| US7881847B2 (en) | Clutch control device and vehicle | |
| US7548811B2 (en) | Control apparatus of vehicle incorporating automatic transmission | |
| WO2008102090A3 (en) | Method and device for vehicle driving assistance | |
| DE102004023965B4 (en) | Control system for a continuously variable transmission of a motorcycle | |
| DE102007016617B4 (en) | Driving force control unit for a vehicle | |
| CN108343741A (en) | Alleviate control method, control system and the vehicle of the impact of MT vehicle shifts | |
| DE102014226823B4 (en) | Vehicle of the type in which you sit astride | |
| DE102009047676A1 (en) | Device and method for controlling a hybrid vehicle | |
| CN107542813A (en) | A kind of clutch control and control method, the vehicle comprising manual transmission | |
| DE112013007223T5 (en) | Vehicle control system | |
| DE3434395A1 (en) | POWER TRANSFER CONTROL ARRANGEMENT FOR A FOUR WHEEL DRIVE VEHICLE | |
| US5782710A (en) | Automatic clutch control | |
| DE10343096B4 (en) | Method and apparatus for avoiding reference position displacements of an actuator actuated clutch caused by axial displacements between a clutch input shaft and a clutch output shaft | |
| DE102009001842A1 (en) | Method and device for controlling a sequence of in-vehicle functions in a vehicle | |
| US6439082B1 (en) | Multi-stage transmission of vehicle | |
| DE10340840B4 (en) | A method and apparatus for controlling the connection force of a friction joint component mounted on a vehicle | |
| DE10211464A1 (en) | Device for indicating start/stop function of starter/generator, can stop internal combustion engine and start it again, has stop/start function as additional display function of display element | |
| JP2018033373A5 (en) | ||
| DE60126384T2 (en) | Control device of an adjusting device for use in a transmission unit | |
| JPH09309357A (en) | Yaw moment control method for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200426 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |